CN106830738A - The roadbase compound of special soil body stabilizing agent recycling treatment gangue manufacture - Google Patents
The roadbase compound of special soil body stabilizing agent recycling treatment gangue manufacture Download PDFInfo
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- CN106830738A CN106830738A CN201710034707.8A CN201710034707A CN106830738A CN 106830738 A CN106830738 A CN 106830738A CN 201710034707 A CN201710034707 A CN 201710034707A CN 106830738 A CN106830738 A CN 106830738A
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- gangue
- weight portions
- stabilizing agent
- soil body
- roadbase
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/12—Waste materials; Refuse from quarries, mining or the like
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Road Paving Structures (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The present invention relates to a kind of roadbase compound of special soil body stabilizing agent recycling treatment gangue manufacture, the material for preparing of the roadbase compound is made up of the soil body stabilizing agent of the colliery powder, the cement of 27 weight portions and 0.01 0.1 weight portions of 93 98 weight portions, the soil body stabilizing agent by 100 weight portions water, the surfactant of 1 15 weight portions, boric acid or the borate composition of 0.1 10 weight portions, the material for preparing also includes water, and the consumption of the water is 1 4% more than the roadbase compound optimum moisture content.Roadbase compound of the invention has good compression strength and water stability.
Description
Technical field
The present invention relates to a kind of roadbase compound, especially, it is related to using special soil body stabilizing agent recycling treatment
The roadbase mixing of gangue manufacture.
Background technology
China is the maximum country of worldwide coal yield, and coal production accounts for worldwide coal up to 37.5 hundred million tons within 2015
The 47% of yield.Gangue is a kind of intergrowth mineral thing of coal, results from exploitation and the dressing of coal by washing process of coal.Its calorific value
Generally below 6.3 MJ/kg, containing inorganic ash contents such as aluminum oxide, iron oxide and silica, total content reaches gangue total amount
60%~95%, a kind of industrial solid castoff is turned into because being difficult by.Usually, often producing 1 ton of raw coal can produce
0.15~0.2 ton of gangue.2012, China's gangue yield accounted for national Industrial Solid Waste yield up to 6.5 hundred million tons
40%.A large amount of gangue air storages, have formed more than 2600 seat coal gangue hills, and accumulation volume of cargo in storage is accounted for up to more than 50 hundred million tons
More than 20 ten thousand mu of ground, as a kind of trade waste that China's burden and annual production are maximum, occupancy accumulation place is most.Bastard coal
A large amount of stackings of stone bring very serious society, environment and economic problems.A large amount of appropriations of land, cause arable land, forest land
The reduction of homalographic；Can also be polluted with rain leaching and diafiltration because spontaneous combustion produces toxic and harmful, poisonous and harmful element
Body of groundwater and soil, serious harm is caused to ecological environment；And, coal enterprise also needs to input substantial contribution every year to be used for
The problems such as solving gangue expropriation of land, the pollution of hillock and tackle the natural calamities such as landslide and mud-rock flow.
Existing road building technology, constructs roadbase（Upper and lower basic unit, underlayment）All it is with graded broken stone（Primary rock
Stone, through broken, screening composition graded broken stone）It is material of main part, then lime is mixed by match ratio, flyash, cement, is made " two
Ash broken stones " or " cement stabilized grading crushed stones ", as the material for constructing roadbase.The major defect of this technology, is destruction
Ecological environment（Fried mountain takes stone or digs river and takes stone）, largely consume Resources and cost be too high.
The content of the invention
In order to solve the above-mentioned technical problem, it is made of stones the invention provides a kind of special soil body stabilizing agent recycling treatment bastard coal
The roadbase compound made, the roadbase compound prepare material by 93-98 weight portions colliery powder, 2-7 weight
Measure part cement and 0.01-0.1 weight portions soil body stabilizing agent composition, the soil body stabilizing agent by 100 weight portions water, 1-
The surfactant of 15 weight portions, boric acid or the borate composition of 0.1-10 weight portions, the material for preparing also includes water, described
The consumption of water is the 1-4% more than the roadbase compound optimum moisture content.
The cement is 425# Portland cements.
The pH value of the soil body stabilizing agent is adjusted to 8-10.
The particle diameter of the colliery powder is not more than 3mm.
The surfactant is selected from one kind in dioctyl succinate disulfonate acid, alkyl ether carboxy acid salt, butyl naphthalene sulfonate
Or it is several.
The material for preparing of the roadbase compound also includes the olefin acid of 0.01-3 weight portions.
The olefin acid is selected from one or more in maleic acid, fumaric acid, citric acid, mesaconic acid, glutaconate.
A kind of preparation method of roadbase compound, comprises the following steps：
Pulverize coal gangue to the no more than particle diameter of 3mm；
The cement of 2-7 weight portions, water are mixed 3-15 minutes with the gangue of 93-98 weight portions in the first blending bunker, is obtained
Cement gangue batch mixing, the consumption of the water is the 1-4% more than the roadbase compound optimum moisture content；
The cement gangue batch mixing that will be obtained mixes 3-15 with the soil body stabilizing agent of 0.01-0.1 weight portions in the second blending bunker
Minute, obtain roadbase compound.
Existing road building technology, constructs roadbase（Upper and lower basic unit, underlayment）All it is with graded broken stone（Primary rock
Stone, through broken, screening composition graded broken stone）It is material of main part, then lime is mixed by match ratio, flyash, cement, is made " two
Ash broken stones " or " cement stabilized grading crushed stones ", as the material for constructing roadbase.The present invention is only with colliery powder as road
The material of main part of base course compound, takes full advantage of gangue.The roadbase that disposal of resources gangue is prepared is expired
The requirement of sufficient national standard.
The above-mentioned of the application and other features, aspect and advantage is more readily understood with reference to described further below.
Specific embodiment
Unless otherwise defined, all technologies used herein and scientific terminology have and the common skill of art of the present invention
The identical implication that art personnel are generally understood that.When there is contradiction, the definition in this specification is defined.
Optimum moisture content of the invention refers to that compound reaches measured during maximum dry density indoors under compaction test
Water content is optimum moisture content, and due to the presence for having cement, optimum moisture content can be converted using filler optimum moisture content.
Optimum moisture content can be obtained by actual tests.
Roadbase compound of the invention, the material for preparing of the roadbase compound includes the coal of 93-98 weight portions
The soil body stabilizing agent of spoil powder, the cement of 2-7 weight portions and 0.01-0.1 weight portions, the soil body stabilizing agent is by 100 weight
The water of part, the surfactant of 1-15 weight portions, boric acid or the borate composition of 0.1-10 weight portions, the material for preparing also is wrapped
Water is included, the consumption of the water is the 1-4% more than the roadbase compound optimum moisture content.
It is the soil body stabilizing agent of main body that the present invention uses boric acid or borate, substantially increases gangue non-active ingredient
Crosslinking active, coordinates with a small amount of cement, and the roadbase compound being prepared from meets the relevant criterion of country.
Preferred technical scheme a kind of, cement of the present invention is 425# Portland cements.Soil body stabilizing agent
PH value be adjusted to 8-10.The particle diameter of the colliery powder is not more than 3mm.The surfactant is selected from dioctyl succinate acid
In sodium sulfonate, alkyl ether carboxy acid salt, butyl naphthalene sulfonate one or more.
As a kind of perferred technical scheme, the material for preparing of the roadbase compound also includes 0.01-3 weight portions
Alkene diacid or alkene acid anhydrides.When the sulfur content of gangue is more, the water of the roadbase compound being made
Less stable, in the drying and watering cycle of 20 times, intensity and weight loss are serious.Added in roadbase compound of the invention
The olefin acid of 0.01-3 weight portions can effectively improve the water stability of gangue of the element sulphur mass content higher than 0.1%, especially
It is high sulfur coal gangue.Olefin acid of the present invention refers to the organic matter with carbon-carbon double bond and carboxylic acid structure, can be selected
Olefin acid includes acrylic acid, butenoic acid, penetenoic acid, methacrylic acid, methylcrotonic acid, methylpent olefin(e) acid.We guess, carbon carbon
On the one hand the organic matter of double bond and carboxylic acid structure can produce suction-operated, the opposing party with the metal ion on coal gangue particle surface
Face, the coal gangue particle after absorption has more preferable hydrophobicity, simultaneously as element sulphur during long-term drying and watering cycle by
Gradually it is oxidized final generation sulfate ion so that original chemical crosslinking dies down, roadbase intensity decreases, but with double
The olefin acid of key can react with oxygen and be further crosslinked, while being also prevented from the oxidation of element sulphur.
As a kind of perferred technical scheme, olefin acid of the present invention preferably those can contain 2 hydroxy-acid groups
Olefin acid, for example：One or more in maleic acid, fumaric acid, citric acid, mesaconic acid, glutaconate.It is this that there are 2 carboxylics
The olefin acid of acid groups has more preferable chelating ability, preferably in mineral surfaces absorption, infiltration can improve roadbase
Mechanical strength.But, when using the olefin acid with more multi-carboxy acid group, then more preferable water stability cannot be obtained, it is possible
Reason is the penetrating power enhancing of oxygen as the content of hydroxy-acid group increases, and the water stabilization of roadbase cannot be improved on the contrary
Property.
Those methods that the forming method of roadbase compound of the invention can be commonly used using other prior arts are entered
Row shaping.The method that the present invention is mixed using two benches, the particle diameter after the crushing of gangue is 0.1-3mm, when bastard coal stone step is matched somebody with somebody
Powder particle size is unfavorable for obtaining more preferable compression strength more than 3mm.The method mixed using two benches can improve non-burning brick
Mechanical strength.Compared with being mixed together, the compression strength of roadbase 10%-25% or so can be improved.
Hereinafter, the present invention is explained in more detail by embodiment, it should be appreciated that these embodiments are only
Illustrate and it is nonrestrictive.If without other explanations, raw materials used is all commercially available.
The present invention is described in detail referring to several examples.
Gangue comes from Shandong Zibo, spontaneous combustion spoil, make pottery red powder, loss on ignition 0%
Gangue comes from Tongchuan, and unburned spoil, black is block, loss on ignition 15%, sulfur content 0.5%,
Gangue comes from the Huaibei, and unburned spoil, grey black is block, loss on ignition 4%, sulfur content 1%；
Gangue comes from Panzhihua, unburned spoil, grey, compact massive, loss on ignition 0%；
Gangue comes from Pingshou, and unburned spoil, black is block, loss on ignition 20%, sulfur content 5%；
Embodiment 1
The preparation of the roadbase compound of the present embodiment is comprised the following steps：
Pulverize coal gangue to the no more than particle diameter of 3mm, gangue comes from Shandong Zibo, spontaneous combustion spoil, red powder of making pottery burns
Vector 0%；
By in gangue first blending bunker of addition of the cement of 3 weight portions, 97 weight portions, mixed with optimum water concentration, and add again
The water for entering 2% mixes 15 minutes, obtains cement gangue batch mixing；
The cement gangue batch mixing that will be obtained mixes 15 points with the soil body stabilizing agent of 0.01-0.1 weight portions in the second blending bunker
Clock, obtains roadbase compound, soil body stabilizing agent by 100 weight portions water, the surfactant of 8 weight portions, 5 weight portions
Boric acid or borate are constituted, and pH value is adjusted to 8.
By the shaping of roadbase compound, diameter and the test specimen for being 150mm high are made, test roadbase compound
The water stability of hardenite, drying and watering cycle of the test test specimen at 20 times（Normal temperature immersion in 4 hours, normal temperature dries within 4 hours）Under it is strong
Degree loss and weight loss.
Embodiment 2
The preparation of the roadbase compound of the present embodiment is comprised the following steps：
Pulverize coal gangue to the no more than particle diameter of 3mm, gangue comes from Tongchuan, unburned spoil, black is block, loss on ignition 15%,
Sulfur content 0.5%；
By in gangue first blending bunker of addition of the cement of 3 weight portions, 97 weight portions, mixed with optimum water concentration, and add again
The water for entering 2% mixes 15 minutes, obtains cement gangue batch mixing；
The cement gangue batch mixing that will be obtained mixes 15 points with the soil body stabilizing agent of 0.01-0.1 weight portions in the second blending bunker
Clock, obtains roadbase compound, soil body stabilizing agent by 100 weight portions water, the surfactant of 8 weight portions, 5 weight portions
Boric acid or borate are constituted, and pH value is adjusted to 8.
By the shaping of roadbase compound, diameter and the test specimen for being 150mm high are made, test roadbase compound
The water stability of hardenite, drying and watering cycle of the test test specimen at 20 times（Normal temperature immersion in 4 hours, normal temperature dries within 4 hours）Under it is strong
Degree loss and weight loss.
Embodiment 3
The preparation of the roadbase compound of the present embodiment is comprised the following steps：
Pulverize coal gangue to the no more than particle diameter of 3mm, gangue comes from the Huaibei, unburned spoil, grey black is block, loss on ignition
4%, sulfur content 1%；
By in gangue first blending bunker of addition of the cement of 3 weight portions, 97 weight portions, mixed with optimum water concentration, and add again
The water for entering 2% mixes 15 minutes, obtains cement gangue batch mixing；
The cement gangue batch mixing that will be obtained mixes 15 points with the soil body stabilizing agent of 0.01-0.1 weight portions in the second blending bunker
Clock, obtains roadbase compound, soil body stabilizing agent by 100 weight portions water, the surfactant of 8 weight portions, 5 weight portions
Boric acid or borate are constituted, and pH value is adjusted to 8.
By the shaping of roadbase compound, diameter and the test specimen for being 150mm high are made, test roadbase compound
The water stability of hardenite, drying and watering cycle of the test test specimen at 20 times（Normal temperature immersion in 4 hours, normal temperature dries within 4 hours）Under it is strong
Degree loss and weight loss.
Embodiment 4
The preparation of the roadbase compound of the present embodiment is comprised the following steps：
Pulverize coal gangue to the no more than particle diameter of 3mm, gangue comes from Panzhihua, unburned spoil, grey, compact massive burns
Vector 0%；
By in gangue first blending bunker of addition of the cement of 3 weight portions, 97 weight portions, mixed with optimum water concentration, and add again
The water for entering 2% mixes 15 minutes, obtains cement gangue batch mixing；
The cement gangue batch mixing that will be obtained mixes 15 points with the soil body stabilizing agent of 0.01-0.1 weight portions in the second blending bunker
Clock, obtains roadbase compound, soil body stabilizing agent by 100 weight portions water, the surfactant of 8 weight portions, 5 weight portions
Boric acid or borate are constituted, and pH value is adjusted to 8.
By the shaping of roadbase compound, diameter and the test specimen for being 150mm high are made, test roadbase compound
The water stability of hardenite, drying and watering cycle of the test test specimen at 20 times（Normal temperature immersion in 4 hours, normal temperature dries within 4 hours）Under it is strong
Degree loss and weight loss.
Embodiment 5
The preparation of the roadbase compound of the present embodiment is comprised the following steps：
Pulverize coal gangue to the no more than particle diameter of 3mm, gangue comes from Pingshou, unburned spoil, black is block, loss on ignition 20%,
Sulfur content 5%；
By in gangue first blending bunker of addition of the cement of 3 weight portions, 97 weight portions, mixed with optimum water concentration, and add again
The water for entering 2% mixes 15 minutes, obtains cement gangue batch mixing；
The cement gangue batch mixing that will be obtained mixes 15 points with the soil body stabilizing agent of 0.01-0.1 weight portions in the second blending bunker
Clock, obtains roadbase compound, soil body stabilizing agent by 100 weight portions water, the surfactant of 8 weight portions, 5 weight portions
Boric acid or borate are constituted, and pH value is adjusted to 8.
By the shaping of roadbase compound, diameter and the test specimen for being 150mm high are made, test roadbase compound
The water stability of hardenite, drying and watering cycle of the test test specimen at 20 times（Normal temperature immersion in 4 hours, normal temperature dries within 4 hours）Under it is strong
Degree loss and weight loss.
Be can be seen that by above-mentioned data employ soil body stabilizing agent of the invention can greatly improve spontaneous combustion spoil with
And the water stability of the gangue that loss on ignition is 0, the reason basic unit being fabricated to also meets the standard of national correlation.But lost burning
The gangue aspect water stability that amount amount is higher and sulfur content is higher is slightly worse, but can also meet corresponding standard requirement.
Embodiment 6-10
Embodiment 6-10 is identical with previous embodiment 1-5 respectively, the difference is that adding the fourth of 0.2 weight portion in mixing second stage
Enedioic acid.
Embodiment 11-15
Embodiment 11-15 is identical with previous embodiment 1-5 respectively, the difference is that adding 0.2 weight portion in mixing second stage
Glutaconate.
As can be seen that the water stability of high sulfur content gangue can be effectively improved using glutaconate of the invention.
The above, only presently preferred embodiments of the present invention is not intended to limit the scope of the present invention.It is every
The impartial change done according to present invention and modification, are encompassed by the scope of the claims of the invention.
Claims (8)
1. the roadbase compound that a kind of special soil body stabilizing agent recycling treatment gangue is manufactured, it is characterised in that described
Roadbase compound prepares material by the colliery powder of 93-98 weight portions, the cement of 2-7 weight portions and 0.01-0.1 weight
Measure part soil body stabilizing agent composition, the soil body stabilizing agent by 100 weight portions water, the surfactant of 1-15 weight portions,
Boric acid or the borate composition of 0.1-10 weight portions, the material for preparing also include water, and the consumption of the water is than the road
The many 1-4% of base mixture optimum moisture content.
2. the roadbase mixing of a kind of special soil body stabilizing agent recycling treatment gangue manufacture according to claim 1
Material, it is characterised in that the cement is 425# Portland cements.
3. the roadbase compound that a kind of special soil body stabilizing agent recycling treatment gangue is manufactured, it is characterised in that described
The pH value of soil body stabilizing agent is adjusted to 8-10.
4. the roadbase compound that a kind of special soil body stabilizing agent recycling treatment gangue is manufactured, it is characterised in that described
The particle diameter of colliery powder is not more than 3mm.
5. the roadbase compound that a kind of special soil body stabilizing agent recycling treatment gangue is manufactured, it is characterised in that described
Surfactant is selected from one or more in dioctyl succinate disulfonate acid, alkyl ether carboxy acid salt, butyl naphthalene sulfonate.
6. the roadbase compound that a kind of special soil body stabilizing agent recycling treatment gangue is manufactured, it is characterised in that described
The material for preparing of roadbase compound also includes the olefin acid of 0.01-3 weight portions.
7. the roadbase compound that a kind of special soil body stabilizing agent recycling treatment gangue is manufactured, it is characterised in that described
Olefin acid is selected from one or more in maleic acid, fumaric acid, citric acid, mesaconic acid, glutaconate.
8. a kind of preparation method of roadbase compound, it is characterised in that comprise the following steps：
Pulverize coal gangue to the no more than particle diameter of 3mm；
The cement of 2-7 weight portions, water are mixed 3-15 minutes with the gangue of 93-98 weight portions in the first blending bunker, is obtained
Cement gangue batch mixing, the consumption of the water is the 1-4% more than the roadbase compound optimum moisture content；
The cement gangue batch mixing that will be obtained mixes 3-15 with the soil body stabilizing agent of 0.01-0.1 weight portions in the second blending bunker
Minute, obtain roadbase compound.
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| CN201710034707.8A CN106830738A (en) | 2017-01-18 | 2017-01-18 | The roadbase compound of special soil body stabilizing agent recycling treatment gangue manufacture |
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| CN201710034707.8A CN106830738A (en) | 2017-01-18 | 2017-01-18 | The roadbase compound of special soil body stabilizing agent recycling treatment gangue manufacture |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101450A (en) * | 2017-12-15 | 2018-06-01 | 东南大学 | A kind of cement stabilized base course material and its design method |
| CN109336499A (en) * | 2018-10-19 | 2019-02-15 | 东南大学 | A kind of steady gangue of water fills big Stone base material and its design method |
| CN110627452A (en) * | 2019-10-25 | 2019-12-31 | 河南省交通规划设计研究院股份有限公司 | Environment-friendly high-performance coal gangue mixture base layer and preparation method thereof |
| CN113173742A (en) * | 2021-04-02 | 2021-07-27 | 山西晟境环保科技有限责任公司 | Preparation process of novel coal gangue-based anti-seepage material |
| CN113265923A (en) * | 2021-06-02 | 2021-08-17 | 北京旷世达资源环境工程发展中心 | Road base material of solidified coal gangue and its making and construction method |
| CN115305760A (en) * | 2022-08-25 | 2022-11-08 | 哈尔滨工业大学 | Unburned coal gangue anti-freezing roadbed structure |
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| CN104004525A (en) * | 2014-06-09 | 2014-08-27 | 包宗义 | Soil body stabilizer |
| CN104944860A (en) * | 2015-06-02 | 2015-09-30 | 江苏省交通规划设计院股份有限公司 | High-content iron tailings sand road base mixture |
| CN106116205A (en) * | 2016-06-24 | 2016-11-16 | 桂林华越环保科技有限公司 | A kind of Concrete synergist |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104004525A (en) * | 2014-06-09 | 2014-08-27 | 包宗义 | Soil body stabilizer |
| CN104944860A (en) * | 2015-06-02 | 2015-09-30 | 江苏省交通规划设计院股份有限公司 | High-content iron tailings sand road base mixture |
| CN106116205A (en) * | 2016-06-24 | 2016-11-16 | 桂林华越环保科技有限公司 | A kind of Concrete synergist |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101450A (en) * | 2017-12-15 | 2018-06-01 | 东南大学 | A kind of cement stabilized base course material and its design method |
| CN109336499A (en) * | 2018-10-19 | 2019-02-15 | 东南大学 | A kind of steady gangue of water fills big Stone base material and its design method |
| CN110627452A (en) * | 2019-10-25 | 2019-12-31 | 河南省交通规划设计研究院股份有限公司 | Environment-friendly high-performance coal gangue mixture base layer and preparation method thereof |
| CN113173742A (en) * | 2021-04-02 | 2021-07-27 | 山西晟境环保科技有限责任公司 | Preparation process of novel coal gangue-based anti-seepage material |
| CN113265923A (en) * | 2021-06-02 | 2021-08-17 | 北京旷世达资源环境工程发展中心 | Road base material of solidified coal gangue and its making and construction method |
| CN115305760A (en) * | 2022-08-25 | 2022-11-08 | 哈尔滨工业大学 | Unburned coal gangue anti-freezing roadbed structure |
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